Method for setting a limiting value of a vehicle state variable in the event of an accident
First Claim
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1. A method for setting a limiting value of a vehicle state variable in a driver assistance system in a vehicle in the event of an accident, the method comprising:
- modifying, by a processor, the limiting value of the vehicle state variable for the case when a parameter characterizing a severity of the accident exceeds an assigned first threshold value, wherein the limiting value of the vehicle state variable is modified as a function of acceleration values from an airbag sensor which occur during the accident, and wherein the modifying of the limiting value of the vehicle state variable is carried out only if the parameter characterizing the severity of the accident does not exceed a specified second threshold value which is greater than the first threshold value; and
controlling an operation of an electronic stability program system in accordance with the limiting value.
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Abstract
In a method for setting a limiting value of a vehicle state variable in a driver assistance system, in particular in an electronic stability program ESP, accelerations are measured by the airbag sensor system, and are used in the event of an accident of low to medium severity to determine limiting values of the yaw acceleration and the yaw rate. These limiting values are used for monitoring the functionality of the yaw rate sensor.
9 Citations
14 Claims
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1. A method for setting a limiting value of a vehicle state variable in a driver assistance system in a vehicle in the event of an accident, the method comprising:
- modifying, by a processor, the limiting value of the vehicle state variable for the case when a parameter characterizing a severity of the accident exceeds an assigned first threshold value, wherein the limiting value of the vehicle state variable is modified as a function of acceleration values from an airbag sensor which occur during the accident, and wherein the modifying of the limiting value of the vehicle state variable is carried out only if the parameter characterizing the severity of the accident does not exceed a specified second threshold value which is greater than the first threshold value; and
controlling an operation of an electronic stability program system in accordance with the limiting value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
- modifying, by a processor, the limiting value of the vehicle state variable for the case when a parameter characterizing a severity of the accident exceeds an assigned first threshold value, wherein the limiting value of the vehicle state variable is modified as a function of acceleration values from an airbag sensor which occur during the accident, and wherein the modifying of the limiting value of the vehicle state variable is carried out only if the parameter characterizing the severity of the accident does not exceed a specified second threshold value which is greater than the first threshold value; and
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13. A regulating and control unit including a processor to set a limiting value of a vehicle state variable in a drive assistance system in a vehicle in the event of an accident, the regulating and control unit configured to modify the limiting value of the vehicle state variable for the case when a parameter characterizing a severity of the accident exceeds an assigned first threshold value, wherein the limiting value of the vehicle state variable is modified as a function of acceleration values from an airbag sensor which occur during the accident, and wherein the modifying of the limiting value of the vehicle state variable is carried out only if the parameter characterizing the severity of the accident does not exceed a specified second threshold value which is greater than the first threshold value, wherein an operation of an electronic stability program system is controlled in accordance with the limiting value.
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14. An electronic stability program system including a processor in a vehicle, comprising:
- a regulating and control unit to set a limiting value of a vehicle state variable in a drive assistance system in a vehicle in the event of an accident, the regulating and control unit configured to modify the limiting value of the vehicle state variable for the case when a parameter characterizing a severity of the accident exceeds an assigned first threshold value, wherein the limiting value of the vehicle state variable is modified as a function of acceleration values from an airbag sensor which occur during the accident, and wherein the modifying of the limiting value of the vehicle state variable is carried out only if the parameter characterizing the severity of the accident does not exceed a specified second threshold value which is greater than the first threshold value, wherein an operation of the electronic stability program system is controlled in accordance with the limiting value.
Specification